pertaining to a lens or lens system free of astigmatism (able to form point images)
同义词：stigmatic
not astigmatic
同义词：stigmatic
anastigmatic详细解释
an.as.tig.mat.ic adj.（形容词）Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.消像散的：消像散的。用于复合透镜，其中分隔部分抵消了每一个透镜的散光效果
